>tr|A0A6W0NRT0|A0A6W0NRT0_SALRU Small ribosomal subunit protein bS21 OS=Salmonella enterica subsp. enterica serovar Rubislaw str. ATCC 10717 GN=rpsU MPVIKVRENEPFDVALRRFKRSCEKAGVLAEVRRREFYEKPTTERKRAKASAVKRHAKKL ARENARRTRLY